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中文摘要：
由于粉质土、砂、砂卵石土和淤泥土等地层土体松散空隙率大,普通的土钉喷锚支护达不到预期效果。通过实例分析,采用双液注浆结合钢管土钉喷锚支护,其在粉质土、砂和砂卵石土等地层的基坑支护中效果比较好,可为国内同类工程提供借鉴。
英文摘要：
The application of the conventional soil nailing with shotcrete technique in the supporting structure of deep excavations in silty,sandy,gravelly or mucky soils has the often received poor results due to the loose or soft state of these soils.This case history indicates that the hollow soil nailing and shotcrete grouted with double liquids obtained the satisfactory results.
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